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Provider Misperceptions, Not Knowledge or Profit, Drive Antibiotic Overuse for Child Diarrhea in India

Caregiver preference signaling for oral rehydration salts cut inappropriate prescribing by 17 percentage points in randomized trials.

Overview

  • A peer-reviewed Science Advances study spanning 2,282 private providers in 253 towns found widespread antibiotic use for cases without bacterial signs.
  • Among providers who knew antibiotics were inappropriate, 62% still prescribed them to standardized patients, highlighting a large know–do gap.
  • Modeling indicated that closing the know–do gap could cut misuse by about 30 percentage points compared with roughly 6 points from improving knowledge alone.
  • Expressed caregiver preference for ORS reduced inappropriate antibiotic use by 17 percentage points on average, with the largest effects in pharmacies.
  • Trials showed no meaningful impact from removing point-of-sale incentives or supplying ORS, and caregiver surveys found no preference for antibiotic-giving providers.